G02F 2413/13
Positive birefingence
G02F2413/13 (Positive birefingence) appears on 152 US grants and 159 published applications in this corpus.
Search patents in G02F- Granted patents
- 152
- Published applications
- 159
- Assignees
- 61
- Inventors
- 354
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 0 |
| 2003 | 2 | 1 |
| 2004 | 1 | 3 |
| 2005 | 1 | 7 |
| 2006 | 1 | 7 |
| 2007 | 3 | 11 |
| 2008 | 7 | 14 |
| 2009 | 12 | 16 |
| 2010 | 12 | 14 |
| 2011 | 14 | 4 |
| 2012 | 11 | 5 |
| 2013 | 1 | 6 |
| 2014 | 2 | 4 |
| 2015 | 5 | 9 |
| 2016 | 3 | 4 |
| 2017 | 6 | 7 |
| 2018 | 3 | 5 |
| 2019 | 5 | 3 |
| 2020 | 4 | 10 |
| 2021 | 7 | 11 |
| 2022 | 9 | 6 |
| 2023 | 3 | 7 |
| 2024 | 6 | 4 |
| 2025 | 5 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical laminate, polarizing plate, and image device display15 Sep 2026US 12,736,729 B2FUJIFILM Corporation
- Optically anisotropic layer, optical film, polarizing plate, and image display device24 Feb 2026US 12,559,679 B2FUJIFILM Corporation
- Optical laminate and optical display apparatus comprising the same30 Dec 2025US 12,510,701 B2Samsung SDI.Co., Ltd.
- Optical laminate and optical display apparatus comprising the same7 Oct 2025US 12,436,332 B2Samsung SDI.Co., Ltd.
- Liquid crystal display panel and method of manufacturing the same, and display device9 Sep 2025US 12,411,383 B2Beijing Boe Display Technology Co., Ltd.
- Display device17 Apr 2025US 2025/0123516 A1Coretronic Corporation
- Polarizing plate and optical display device12 Dec 2024US 2024/0411077 A1Samsung SDI.Co., Ltd.
- Polarizing plate and optical display apparatus18 Jul 2024US 2024/0241301 A1Samsung SDI.Co., Ltd.
- Liquid Crystal Display Panel and Method of Manufacturing the Same, and Display Device30 May 2024US 2024/0176190 A1Beijing Boe Display Technology Co., Ltd.
- Optical laminate, laminated optical film, optical article, and virtual reality display device4 Apr 2024US 2024/0111198 A1FUJIFILM Corporation
Most cited
By later US patents
- Compensator for liquid crystal display, having two types of layers with different refractive indices alternating128US 5,196,953 ARockwell International Corporation · 1993
- In-plane switching liquid crystal display comprising compensation film for angular field of view using +A-plate and +C-plate113US 7,227,602 B2LG Chem.Ltd. · 2007
- Birefringent film with n.sub.x >n.sub.z >n.sub.y, process for producing the same, retardation film, elliptically polarizing plate, and liquid crystal display103US 5,245,456 ANitto Denko Corporation · 1993
- Liquid crystal display with compensator having two films with positive and negative intrinsic birefringence, respectively98US 5,138,474 AFuji Photo Film Co., Ltd. · 1992
- Liquid crystal display device operating in a vertically aligned mode91US 6,141,075 AFujitsu Limited · 2000